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All R values appeared to be above 0.5% (P &lt; 0.05), where Igede males and females were 0.72, 0.71 0.82, 0.81, and 0.69, 0.65 and 0.72, 0.73 for stature with total facial indices, and nasal indices respectively.<br />Facial and nasal types serve as good predictors of stature, important for dimorphic and ethnic classifications in time of forensic needs.<br />Facial and nasal types serve as good predictors of stature, important for dimorphic and ethnic classifications in time of forensic needs.<br />18F-fluorodeoxyglucose PET/computed tomography (18F-FDG PET/CT) metabolic parameters are prognostic indicators in several neoplasms. This study aimed to evaluate the prognostic value of the maximum and average standardized uptake value (SUVmax and SUVavg), metabolic tumor value (MTV), and total lesion glycolysis (TLG) measured in the primary tumor and suspicious lymph nodes preneoadjuvant therapy in patients submitted to surgical resection for esophageal cancer.<br />A cohort of 113 patients with esophageal cancer who performed 18F-FDG PET/CT preneoadjuvant therapy was assessed. The association of the SUV, MTV, and TLG measured in the primary tumor and in the suspicious lymph nodes with the overall survival was assessed. It was also analyzed other potentially confounding variables such as age, sex, clinical stage, and histologic subtype. [https://www.selleckchem.com/ATM.html ATM/ATR inhibitor drugs] The analyses were performed using Kaplan-Meier curve, log-rank test, and Cox regression.<br />The univariate analyses showed that the MTV and TLG in the primary tumor, the SUV in the suspicious lymph nodes, the age, the histologic subtype, and the clinical stage were associated with survival after surgery (P ≤ 0.05). In the Cox regression multivariate analyses, all variables identified in the univariate analyses but the clinical stage were associated with survival after surgery (P ≤ 0.05).<br />In esophageal cancer patients, some of the 18F-FDG PET/CT metabolic parameters measured in the primary tumor and in the suspicious lymph nodes before the neoadjuvant therapy are independent indicators of overall survival and appear to be more important than the clinical stage in the prognostic definition of this group of patients.<br />In esophageal cancer patients, some of the 18F-FDG PET/CT metabolic parameters measured in the primary tumor and in the suspicious lymph nodes before the neoadjuvant therapy are independent indicators of overall survival and appear to be more important than the clinical stage in the prognostic definition of this group of patients.<br />Glomerular filtration rate (GFR) measurement remains an integral investigation in clinical practice and is particularly important in the prediction and follow-up of renal side-effects of nephrotoxic chemotherapy in cancer patients. Knowing the coefficient of variation (CV) of a test is vital for the correct interpretation of serial studies. Recent difficulties with 51Cr-EDTA availability have renewed interest in 99mTc-DTPA, but there is a paucity of data on the test-retest variability of this radiopharmaceutical. Furthermore, the authors are unaware of published repeatability data in cancer patients. The aim of this study was to determine the CV of repeat 99mTc-DTPA GFR measurements in a clinical patient population that included cancer patients.<br />Patients who had undergone ≥2 GFR studies at our department between January 2009 and December 2019 were retrospectively identified. Patients with chronic kidney disease and those who had received chemotherapy, radiotherapy or surgery between measurements were excluded. The CV for each patient was calculated and the mean CVs of cancer and prospective renal donor groups were calculated and compared.<br />Fifty-four patients were included in the final analysis. The mean CV in the cancer group (38 patients) was 8.5% [95% confidence interval (CI) 6.9-10.2%] and in the renal donor group (16 patients) 7.1% (95% CI 4.2-10.1%). These figures did not differ significantly (P = 0.37). The groups were combined to calculate the final overall mean CV of 8.1% (95% CI 6.7-9.6%).<br />In both non-cancer and cancer patients the CV of GFR studies performed with 99mTc-DTPA was comparable with mostly 51Cr-EDTA figures presented in literature.<br />In both non-cancer and cancer patients the CV of GFR studies performed with 99mTc-DTPA was comparable with mostly 51Cr-EDTA figures presented in literature.<br />To compare the diagnostic accuracy of dual-phase 99mTc-MIBI single photon emission computed tomography/computed tomography (SPECT/CT) and 4D CT for the localization of hyperfunctioning parathyroid glands, a systematic review and meta-analysis was performed. Whether 4D CT combined to SPECT/CT [contrast-enhanced (CE)-SPECT/CT] had a better diagnostic performance than SPECT/CT alone in this scenario was also evaluated.<br />PubMed and Embase databases were searched for eligible studies. To reduce interstudy heterogeneity, only studies with clear head-to-head comparison were included. Publication bias was assessed by the Deeks funnel plot. The pooled sensitivity, specificity and the area under the curve (AUC) for 4D CT, SPECT/CT and CE-SPECT/CT were determined by random-effect analysis, respectively.<br />Nine studies met the inclusion criteria, with a total of 911 participants. The sensitivity and specificity of 4D CT were 0.85 [95% confidence interval (CI), 0.69-0.94] and 0.93 (95% CI, 0.88-0.96), whereas the sensitivity and specificity for SPECT/CT were 0.68 (95% CI, 0.51-0.82; P = 0.048 compared with 4D CT) and 0.98 (95% CI, 0.95-0.99; P = 0.014 compared with 4D CT), respectively. CE-SPECT/CT is comparable to SPECT/CT in specificity and AUC, but it may improve the sensitivity (although there was a lack of statistical difference, 0.87 vs. 0.78; P = 0.125).<br />Although 4D CT shows comparable AUC and borderline better sensitivity than SPECT/CT, its clinical application is confined by relatively low specificity and high radiation exposure. CE-SPECT/CT may improve the sensitivity without compromising the specificity and AUC of SPECT/CT.<br />Although 4D CT shows comparable AUC and borderline better sensitivity than SPECT/CT, its clinical application is confined by relatively low specificity and high radiation exposure. CE-SPECT/CT may improve the sensitivity without compromising the specificity and AUC of SPECT/CT.